-
Notifications
You must be signed in to change notification settings - Fork 9
/
dilithium.rs
68 lines (58 loc) · 1.87 KB
/
dilithium.rs
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
use rand::{ Rng, CryptoRng };
use dilithium::{ params, sign };
use crate::{ Packing, Error };
use super::{ Signature, DeterministicSignature };
pub struct Dilithium;
pub struct PrivateKey([u8; params::SECRETKEYBYTES]);
pub struct PublicKey([u8; params::PUBLICKEYBYTES]);
pub struct SignatureData([u8; params::BYTES]);
impl Signature for Dilithium {
type PrivateKey = PrivateKey;
type PublicKey = PublicKey;
type Signature = SignatureData;
fn keypair<R: Rng + CryptoRng>(mut r: R) -> (Self::PrivateKey, Self::PublicKey) {
let mut sk = [0; params::SECRETKEYBYTES];
let mut pk = [0; params::PUBLICKEYBYTES];
sign::keypair(&mut r, &mut pk, &mut sk);
(PrivateKey(sk), PublicKey(pk))
}
fn signature<R: Rng + CryptoRng>(_: R, sk: &Self::PrivateKey, data: &[u8]) -> Self::Signature {
<Dilithium as DeterministicSignature>::signature(sk, data)
}
fn verify(
&PublicKey(ref pk): &Self::PublicKey,
&SignatureData(ref sig): &Self::Signature,
data: &[u8]
) -> Result<(), Error> {
if sign::verify(data, sig, pk) {
Ok(())
} else {
Err(Error::VerificationFailed)
}
}
}
impl DeterministicSignature for Dilithium {
fn signature(&PrivateKey(ref sk): &Self::PrivateKey, data: &[u8]) -> Self::Signature {
let mut sig = [0; params::BYTES];
sign::sign(&mut sig, data, &sk);
SignatureData(sig)
}
}
eq!(PrivateKey);
eq!(PublicKey);
eq!(SignatureData);
packing!(PrivateKey; params::SECRETKEYBYTES);
packing!(PublicKey; params::PUBLICKEYBYTES);
packing!(SignatureData; params::BYTES);
#[cfg(feature = "serde")]
mod serde1 {
use std::fmt;
use serde::{
Serialize, Serializer, Deserialize, Deserializer,
de::{ self, Visitor }
};
use super::*;
serde!(PrivateKey);
serde!(PublicKey);
serde!(SignatureData);
}